tly. Instead, use the `wp_is_connector_registered()` function.
	 *
	 * @since 7.0.0
	 *
	 * @see wp_is_connector_registered()
	 *
	 * @param string $id The connector identifier.
	 * @return bool True if the connector is registered, false otherwise.
	 */
	public function is_registered( string $id ): bool {
		return isset( $this->registered_connectors[ $id ] );
	}

	/**
	 * Retrieves a registered connector.
	 *
	 * Do not use this method directly. Instead, use the `wp_get_connector()` function.
	 *
	 * Triggers a `_doing_it_wrong()` notice if the connector is not registered.
	 * Use `is_registered()` to check first when the connector may not exist.
	 *
	 * @since 7.0.0
	 *
	 * @see wp_get_connector()
	 *
	 * @param string $id The connector identifier.
	 * @return array|null The registered connector data, or null if it is not registered.
	 * @phpstan-return Connector|null
	 */
	public function get_registered( string $id ): ?array {
		if ( ! $this->is_registered( $id ) ) {
			_doing_it_wrong(
				__METHOD__,
				/* translators: %s: Connector ID. */
				sprintf( __( 'Connector "%s" not found.' ), esc_html( $id ) ),
				'7.0.0'
			);
			return null;
		}
		return $this->registered_connectors[ $id ];
	}

	/**
	 * Retrieves the main instance of the registry class.
	 *
	 * @since 7.0.0
	 *
	 * @return WP_Connector_Registry|null The main registry instance, or null if not yet initialized.
	 */
	public static function get_instance(): ?self {
		return self::$instance;
	}

	/**
	 * Sets the main instance of the registry class.
	 *
	 * Called by `_wp_connectors_init()` during the `init` action. Must not be
	 * called outside of that context.
	 *
	 * @since 7.0.0
	 * @access private
	 *
	 * @see _wp_connectors_init()
	 *
	 * @param WP_Connector_Registry $registry The registry instance.
	 */
	public static function set_instance( WP_Connector_Registry $registry ): void {
		if ( ! doing_action( 'init' ) ) {
			_doing_it_wrong(
				__METHOD__,
				__( 'The connector registry instance must be set during the <code>init</code> action.' ),
				'7.0.0'
			);
			return;
		}

		self::$instance = $registry;
	}
}